Home / 18,264.14-25,204.56-9,880.64

Finding the Fourth Proportional to 18,264.14, 25,204.56 and 9,880.64

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Solution

The fourth proportional to 18,264.14, 25,204.56 and 9,880.64 is: 13,635.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.14 : 25,204.56 = 9,880.64 : x
  2. Step 2: Convert to fraction form
    18,264.14/25,204.56 = 9,880.64/x
  3. Step 3: Cross multiply
    18,264.14x = 25,204.56 × 9,880.64
  4. Step 4: Simplify right side
    18,264.14x = 249,037,183.72
  5. Step 5: Solve for x
    x = 249,037,183.72/18,264.14
  6. Step 6: Final answer
    x = 13,635.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.